Nassau County Vendor Information Session. A signed vendor application is considered a legal and binding agreement.These expenses may include but are not limited to venue deposits, vendor deposits, travel expenses, and any other preapproved costs. Vendor Requirements. 1. Only Nassau County small businesses with six or fewer employees may have a booth in the Nassau Place section of the Shrimp Festival. In the event of contract award, all documentation produced as part of the contract will become the exclusive property of Nassau County. Simple to produce, a Vendor Agreement permits venue owners and event organizers to rent out concession space to vendors. For the first time ever the event will be held at the famous Nassau Veterans Memorial Coliseum! Each sample given at the event must be limited to 3 oz. Upon completion of the job, the vendor agrees all surfaces will be broom swept.